Finding the Fourth Proportional to 1,446.78, 1,995.39 and 922.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.78 : 1,995.39 = 922.62 : x
2. Step 2: Convert to fraction form
   1,446.78/1,995.39 = 922.62/x
3. Step 3: Cross multiply
   1,446.78x = 1,995.39 × 922.62
4. Step 4: Simplify right side
   1,446.78x = 1,840,986.72
5. Step 5: Solve for x
   x = 1,840,986.72/1,446.78
6. Step 6: Final answer
   x = 1,272.47